Grusonia ganderi (C.B.Wolf) G.D.Rowley in Tephrocactus Study Group 12(3): 44. 2006
Grusonia ganderi in Tephrocactus Study Group 12(3): 44. 2006
is new combination for Opuntia acanthocarpa subsp. ganderi in Occas. Pap. Rancho Santa Ana Bot. Gard. 1(2): 75, fig. 20. 1938